\begin{tabular}{l*{5}{c}}
\toprule
            &\multicolumn{5}{c}{\shortstack{Cand. wins, t+1}}                \\\cmidrule(lr){2-6}
            &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}&\multicolumn{1}{c}{(5)}\\
\midrule
RD\_Estimate &       0.276&       0.272&       0.219&       0.268&       0.220\\
            &     (0.014)&     (0.015)&     (0.033)&     (0.016)&     (0.034)\\
\midrule
Robust p-value&       0.000&       0.000&       0.000&       0.000&       0.000\\
Observations&       17668&       15106&        3770&       13664&        7372\\
Polynomial order&           1&           1&           1&           1&           2\\
Bandwidth   &       0.137&       0.113&       0.025&       0.100&       0.050\\
Mean, left of threshold&       0.115&       0.122&       0.156&       0.126&       0.148\\
\bottomrule
\end{tabular}
